He_____there now,but I am not sure.A.maybe B.may be C.may have been D.might have been 怎么区别.a是副词.b是情态动词.c也许已经怎样.d跟c区别不大.根据语意选b.这是对的吗?

He_____there now,but I am not sure.A.maybe B.may be C.may have been D.might have been 怎么区别.a是副词.b是情态动词.c也许已经怎样.d跟c区别不大.根据语意选b.这是对的吗? When he_____there.a.returned to b.retured back c.returned But now she什么soccer. Iam away now,but will tact you 翻译：but she's busy right now now we can do nothing but waitting but up till now啥意思 Not now ,not later ,but soon. you said will not be changed,but now,but all. but now l just want to study but now l just want to study 急 I once was lost,but now I find.Was blind,but now I see. he used to_____(play)basketball,but heusually plays football now I used to () (play) soccer,But now i play basketball mary used to heavy,but now she is thim是什么意思? iam away now but will contact you later But now she is ill .Her mother is b_____ I u_TO play football ,but now i like playing basketball. but now he is writing an email意思